Wow!
You have way too much on your plate.
It is wonderful that you are searching for input to help your brother in law and ultimately help your whole family.
YOu are trying to fix this.
I wish there was some easy way .....unless he is willing to get better than he isn't.
If he is in danger, to himself or others you can have him picked up via police intervention to have him hospitalized.
There are organizations....NAMI that run support groups for family members and for the patient. Bridges is the group name here in louisiana.
It is probably best to adrress this after he has become more stable after this manic stage....he will be more receptive then.
He sounds like he has dual diagnosis , drinking problem and bipolar...which many of us drink to try to self medicate.
He may not be on the right meds or he may not take them because of bad side effects.
Do you have a therapist to talk to? Does he? could you go with him to yours or be willing to make his appointment for him? would he let you?
thank you again
keep posting,
you could encourage him to post here too....jsut don't tell him your name.
Until he faces/accepts his illness this will continue to be a terrible situation. Many times manic men get into trouble and spend time in jail.
this sounds very hard on your family and you are a good man to want to help.
((((HUGS)))))
bizi